In chemistry, as in life, the most profound truths are often the simplest.

I was never afraid of failure; for I would sooner fail than not be among the greatest.

The companies that succeed are those that turn non-consumers into consumers.

Mental phenomena can only be understood in terms of their consequences for action.

A director must be a policeman, a midwife, a psychoanalyst, a sycophant and a bastard.